Charge on Conductors: a Hollow Conducting Spherical Shell Has Radii

question 29

Multiple Choice

Charge on conductors: A hollow conducting spherical shell has radii of 0.80 m and 1.20 m, as shown in the figure. The sphere carries a net excess charge of -500 nC. A point charge of +300 nC is present at the center. (k = 1/4πε₀ = 8.99 × 10⁹ N ∙ m²/C) The radial component of the electric field at a point that is 1.50 m from the center is closest to

• A) +1200 N/C.
• B) +2000 N/C.
• C) -800 N/C.
• D) -1600 N/C.
• E) -2000 N/C.

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Definitions:

Collective Goods

Benefits or goods that are shared and cannot be denied to anyone within a community or society, such as clean air or public safety.

Membership Association

An organization founded and funded by members who share a common interest or goal, offering various benefits to members such as resources, networking opportunities, and advocacy.

Collective Good

A collective good, also known as a public good, is something that benefits all members of a community or society and is not diminished by individual use.

National Defense

The policies and actions taken by a country to protect itself against external threats.